Avoid session creation in MessagesTag#getMessages
-------------------------------------------------
Key: STS-502
URL: http://www.stripesframework.org/jira/browse/STS-502
Project: Stripes
Issue Type: Sub-task
Components: Tag Library
Affects Versions: Release 1.5
Reporter: Sebastian Beigel
MessagesTag#getMessages() tries to look up the list of messages in the session
if none are found in the request. This lookup should only occur if there is a
session present!
if (messages == null) {
messages = (List<Message>) request.getSession().getAttribute(
getKey() );
request.getSession().removeAttribute( getKey() );
}
should become
if (messages == null && request.getSession(false) != null) {
...
(change on line 151 in current Stripes 1.5b1)
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